Kopytko, Marta, Anna Pazieieva, Andrii Khorosheniuk, Mykhailo Matviienko, and Vinichuk Мariya. “Shadow Employment in Eastern Europe: Practical Aspects of Evaluation and Counteraction”. Business: Theory and Practice 20 (December 17, 2019): 485-491. Accessed November 9, 2024. https://transport.vgtu.lt/index.php/BTP/article/view/11192.